A cobpoeation



2 Shuts-Sheet 1 W. D. THOMPSON ET AL CAR END CONSTRUCTION Original Filed June 4, 1920 July 17, 1923- o e o a e c illll'lllulllll July 17, 1923- I 1,461,883

w. D. THOMPSON ET AL CAR END CONSTRUCTION Original Filed June 4, 1920 2 shuts-sheet 2 K '1 O O O O Elvwentoz Patented July 17, 1923.

UNITED STATES PATENT OFFICE.

WILLIAM D. THOMPSON AND ALFRED R. WILSON, OF DETROIT, MICHIGAN. ASSIGNORS TO HUTCHINS CAR ROOFING COMPANY, OF DETROIT. MICHIGAN, A CORPORATION OF MICHIGAN.

Application filed June 4, 1920, Serial No. 386,491.

T all whom it may concern Be it known that W6,.WILLIAMY D. THOMP- SON and ALFRED R. WILSON, both citizens of the United States of America, residing at Detroit, in the county of Wayne and State of Michigan, have invented certain new and useful Improvements in Car-End Constructions, of which the following is a specification, reference being had therein to the accompanying drawings.

The invention relates to car end constructions of that type employing ribbed metallic sheets, and it is the object of the invention to obtain a construction in which the marginal portions of the metallic sheets are in the same plane so as to bear against the corner posts or sills, while the portions intermediate the margins are in spaced parallel planes connected by. an oblique portion. It is a further object to facilitate the manufacture of such a construction and to avoid the necessity of hot pressing or drawing of the metal to any great extent. With these objects in view the invention comprises; first, the construction; and second, the method of forming the same, as hereinafter set forth.

In the drawings: Figure 1 is an end elevation of a portion of the car embodying our invention; Figure 2 is a side elevation thereof; Figure 3 is a vertical section through the car end;

Figure 4 is a horizontal section throughv one of the corner posts;

Figures 5 and 6 are elevations showing the manner of forming the sections.

In the present state of the art car ends have been formed of metallic plates having a plurality of transversely extending ribs for reinforcing the same. Where these ribs terminate short of the sides of the plate, they can only be formed by 'the drawing or stretching of the metal and this involves the working of the metal while hot and also increases the cost of manufacture. With our invention this difliculty is avoided by forming the end plate in sections, each of which contains but a single reinforcing rib or portion in a spaced plane. Initially these sections are formed by rolling with the rib extending the entire length thereof and subsequently the metal is flattened down at the ends to form a marginal portion that is in the plane of the original sheet. Such an op- CAR-END CONSTRUCTION.

Renewed December 11, 1922.

eration can, if desired, be performed without heating the metal as the surplus metal is merely forced out laterally as the rib is flattened down and after trimming the edges to remove this surplus metal, the several sec: tions are riveted together. Thus in the complete structure the metal is arranged alter nately in spaced planes in the body portion of the sheet, while at the margins thereof the metal is in the same plane, so that it, may fit against the corner post and be bent to form a flange at the side of said post. The portions of the sections which overlap to be riveted to each other also form additional HiiIlfOiCGHlGIltS, further strengthening the p ate.

In detail, .A, A, etc, are the several sections, which together constitute the car end. Each of these sections is formed from. a fiat sheet, such as B, which is rolled or otherwisebent to have a central panel C in one plane, edge portions D in a spaced plane, and obliquely inclined connecting portions E. If the forming is accomplished by rolling, the sections will be of the same cross section from end to end,-but subsequently the end portions thereof are' flattened down into a common plane, as indicated at F in Figure 6. This will result in enlarging the width of the end portions, but the surplus metal G may be then sheared off on the line H to maintain the same width throughout the length of the section.

To secure the sections to each other they areoverlapped, as indicated at I, and the overlappin portions are secured by a series of rivets j. The rivet holes K may be punched in the fiat sheet, indicated inFigure 5, but to compensate for the forming of the sheet, the holes in the end portions thereof are not in straight line with the holes in The construction as described may be manufactured at relatively small cost as the narrow sheets which form the individual sections are cheaper than the wide sheets re-.

quired for forming a single section having a plurality of ribs. Also, by forming a single rib in each sheet the operations of flattening down or pressing the ends may be performed successively and without the on opposite sides and at the ends in a COIIF' mon plane spaced from. and parallel to said first-mentioned plane, and transversely extending portions at the sides and ends connecting the portions in' the two planes.

2. In a car body, a metallic plate formed of a plurality of sections overlapped and secured to. each other, each section having the central portion thereof in one plane, the edge portions in a plane spaced from the central portion, transversely extending intermediate portions, end portions in the plane of the edge portions and connecting with said central portion by obliquely inclined portions, said end portions being bent to forma flange perpendicular to its original plane.

3. In a car body construction, a metallic )late formed of a plurality of sections overlapping and riveted to each other, each section comprising a central portion arranged in one plane, edge portions arranged in a plane spaced from that of the central portion, transversely extending intermediate portions, end portions in the plane of said edge portions, obliquely inclined interme diate portions between said end portions and central portion, and flanges bent over said end portions to be substantially perpendicular thereto.

4. The method of forming car ends, comprising the fashioning of a plurality of sec tions thereof, each having a central portion in one plane and edge portions and end portions in a plane spaced from that of the central portion with transversely extending portions connecting the portions in sai spaced planes, trimming said sections in the end portions. thereof to the same width as the portions intermediate said ends and overlapping and riveting together said sec tions.

5. The method of'forming carv ends, co1nprising the forming from a flat sheet of amember having its central o'ortion in one planeand edge portions and end portions in a separate plane spaced from that of the accuses central. portion, said central portion being connected to said edge portion and end portions by transversely extending portions, trimming the end portions to the same width as the portions intermediate said ends and riveting overlapping portions of said sections to each other.

6. The method of forming car ends, comprising the forming of a plurality of sections from flat blanks having rivet holes punched in the edge portions thereof, said blanks being fashioned to arrange the central portion thereof in one plane and the edge portions and the end portions in a spaced plane with transversely extending intermediate portions connecting the same, the punched holes in the original blank being so arranged as to be aligned in the fashioned blank, trimming the end portions of the blank to the same width as the portions intermediate said ends and riveting adjacent sections to each other.

7. Ina car body, a metallic plate formed of a plurality of oblong sections having their sides overlapped and rigidly secured to each other, each section having a central panel arranged in one plane, portions surroundin said central panel in a common plane space from the plane of the panel, and oblique portions connecting the portions in the separate planes, the combined width of portions in adjacent plates intermediate the panels thereof being substantially equal in width to said panels.

8. In a car body, a metallic plate formed of a plurality of oblong rectangular sections having their side edges overlapped and rigidly secured to each other, each section comprising a central oblong panel arranged in one plane, port-ions at the sides and the ends in a common plane spaced from the plane of the panel, and oblique portionsconnecting the portions in the two planes at sides and ends, the overlapped side portions of adjacent plates being offset to arrange the un-. lapped portions thereof in the same plane and the combined width of said portions. being substantially equal to the width of the panels.

9. In a car body, a metallic plate formed of a plurality of oblongrectangular pressed sheetanetal sectionshaving theiriside edges overlapped and rigidly secured to each other. each sectionhaving an oblong central panel arranged in one plane, portions atthe sides and the ends arranged in a common plane spaced from the plane of the panel,

and oblique portions: connecting the portions in the two planes at both sides and ends, the overlapped portions of the sides being offset to arrange the remainder of said side portions'of adjacent plates in the same plane and the combined width of the side portions.

of adjacent plates'being substantially equal to the width of said. panels.

10. In a car body, an extended metallic plate formed of a plurality of sections marginally overlapping and secured to each other, each section being formed with the central portion thereof in one plane, portions upon opposite sides and at the ends of said central portion, each of which is in a plane spaced from and parallel to said first mentioned portion, and transversely extending portions at the sides and ends connect 10 ing said first and second mentioned portions.

In testimony whereof We afiix our signatures. 

